Achill Island weather live forecast

Today's maximum temperature in Achill Island is expected to be 12°C. Select a day from the live weather forecast for Achill Island, Ireland for more weather parameters.

5-day weather forecast updated at 04:04 on Tuesday 16th September 2025 GMT

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The 5-day weather forecast for Ireland (Achill Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Achill Island weather forecast by day

Below are the detailed weather forecasts for Achill Island for the next 5 days.

Achill Island weather for Tuesday 16th September 2025

Expect mostly cloudy with rain in Achill Island, Ireland with a maximum temperature of 12°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a fresh breeze of 37 kph from the west.

  • 12°C maximum temperature12
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 93% chance of some rain93
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 37 kph from the West37
    kph wind from W

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Achill Island weather for Wednesday 17th September 2025

Expect mostly cloudy with rain in Achill Island, Ireland with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 21% chance of some rain and a moderate gale of 53 kph from the south-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 21% chance of some rain21
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Moderate gale of 53 kph from the South-West53
    kph wind from SW

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Achill Island weather for Thursday 18th September 2025

Expect broken clouds in Achill Island, Ireland with a maximum temperature of 14°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Fresh breeze of 29 kph from the South-West29
    kph wind from SW

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Achill Island weather for Friday 19th September 2025

Expect sunshine and showers in Achill Island, Ireland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 25 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 54% chance of some rain54
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 25 kph from the South-West25
    kph wind from SW

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Achill Island weather for Saturday 20th September 2025

Expect mostly cloudy with rain in Achill Island, Ireland with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a moderate breeze of 23 kph from the south-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 72% chance of some rain72
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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Metric (°C / mm)  |  Imperial (°F / inches)

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